	@media screen and (min-width: 1600px){
		ul li{
			height:50px;
			line-height: 50px;
		}
		.top{
			height:100px;
		}
		.home{
			height:100px;
			line-height: 100px;
		}
		.top img{
			margin-top:2%;
		}
	}
		ul{
  			list-style:none;
  			margin:0;
  			padding:0;
  		}
		ul li{
			line-height: 40px;
			height:40px;
			border-bottom: solid 1px #ddd;
			position: relative;
		}
		ul li a{
		    display: inline-block;
		    width: 100%;
			text-align:center;
			color:#fff;
			cursor:pointer;
		}
		ul li:hover{
			background-color:#F5F5F5;
		}
		ul li:hover >a{
			color:#3a46e0;
		}
		ul li:hover .erji{
			display:inline-block;
		}
		.erji{
			display: none;
  			list-style:none;
			position: absolute;
			left: 100%;
    		top: -1px;
    		z-index:1;
		}
		.erji li{
			border-bottom: solid 1px #bbb;
			background-color:#6495ED;
		}
		.erji li a{
			display: inline-block;
		    width: 180px;
			color:#fff;
			cursor:pointer;
		    text-align: center;
		}
		.erji li:hover{
			background-color:#F5F5F5;
		}
		.erji li:hover a{
			color:#3a46e0;
		}
		.users{  
    		width: 100%;
			height: 90px;
			line-height:100px;
			text-align: center;
			color:#fff;
		}
		.a-li{
			border-top:1px solid #ddd;
		}
		.wenziyi{
			width:100%;
			height:10px;
			border-bottom:1px solid #ddd;
		}
		.shijian{
			width:100%;
			text-align:center;
			margin-top:5em;
			height:10%;
			color:#fff;
		}
		.last-time{
			width:100%;
			height:50%;
			text-align:center;
		}
		.top{
			width:100%;
			height:75px;
			background-color:#F5F5F5;
		}
		.top img{
			margin-top: 5px;
			margin-left: 5%;
		}
		.home{
			height:75px;
			line-height: 75px;
			width:100px;
		}
		.logout{
			width:100%;
			height:10%;
			line-height:100%;
			text-align: center;
		}
		.logout a{
			color:#fff;
		}